Bug 928357 - rhc_extended tests

Reading persisted application type without the version, as
that is how the tests are specifying them.
bump_minor_versions for sprint 26
Automatic commit of package [rhc] release [1.7.1-1].
Tests allow multiple DB cartridges to be added.

Bug 928357
Merge pull request #344 from jtharris/bugs/BZ928357

Fixes for rhc_extended tests